Canadian Medical Guide > Chemicals and Drugs > Neurotransmitters and Neurotransmitter Agents > Neurotransmitter Agents > Adrenergic Agents > Adrenergic Antagonists Terms and Definitions




Adrenergic Antagonists

Medical Definition: Drugs that bind to but do not activate ADRENERGIC RECEPTORS. Adrenergic antagonists block the actions of the endogenous adrenergic transmitters EPINEPHRINE and NOREPINEPHRINE.
Guide Notes: do not confuse with ADRENERGIC AGONISTS; DF: ADREN ANTAG
Previously Indexed: Receptors, Adrenergic/antagonists & inhibitors (1977-1994),Sympatholytics (1982-1994)
Adrenergic Antagonists Categories.
Canadian Medical Guide Definition Adrenergic alpha-Antagonists - Drugs that bind to but do not activate alpha-adrenergic receptors thereby blocking the actions of endogenous or exogenous adrenergic agonists. Adrenergic alpha-antagonists are used in the treatment of hypertension, vasospasm, peripheral vascular disease, shock, and pheochromocytoma.
Canadian Medical Guide Definition Adrenergic beta-Antagonists - Drugs that bind to but do not activate beta-adrenergic receptors thereby blocking the actions of beta-adrenergic agonists. Adrenergic beta-antagonists are used for treatment of hypertension, cardiac arrythmias, angina pectoris, glaucoma, migraine headaches, and anxiety.

Adrenergic Antagonists Medical Definitions and Terms

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